The information on this page is a summary description. The full formal description is available here: Bornival Formation Abbreviation BNV Parent unit Child units Lithological description A centimetric alternation of dark grey mudstone and dark grey to blackish claystone with gradual transitions. In the clayey part abundant coarse silt grains are distributed throughout. The bedding...
The information on this page is a summary description. The full formal description is available here: Bois Grand-Père Formation Abbreviation BGP Parent unit Child units Lithological description Mostly medium to dark grey shale or slate unit, dark greenish grey at the base; at certain levels interbedding of many medium grey laminated siltstone beds and light...
The information on this page is a summary description. The full formal description is available here: Huet Formation Abbreviation HUE Parent unit Child units Lithological description Greenish to grey mudstone, siltstone and fine sandstone, poorly sorted, with characteristic orange-yellow alveoli of decalcified fossil fragments. Heterogeneous sub-metrical beds, with a faint fining upward granulometry, a slightly...
The information on this page is a summary description. The full formal description is available here: Fauquez Formation Abbreviation FAU Parent unit Child units Lithological description Centimetric to subcentimetric alternation of black slate and dark grey silty slate: lamination often present, are marked by millimetric to sub-millimetric pyrite crystals. From about 4 m above the...
The information on this page is a summary description. The full formal description is available here: Madot Formation Abbreviation MAD Parent unit Child units Lithological description Unit containing many volcanic rocks (volcano-sedimentary rock, volcanic breccias containing shale fragments), interstratified with greenish-grey heterogeneous coarse siltstone and mudstone rich in macrofossils such as bryozoans, brachiopods, crinoids, trilobites,...
The information on this page is a summary description. The full formal description is available here: Brutia Formation Abbreviation BRT Parent unit Child units Lithological description The lower Les Goutteux Member (new name) contains medium to dark grey slate (mudstone), compactly bedded that become darker in the upper part. In the first third of the...
The information on this page is a summary description. The full formal description is available here: Deerlijk Formation Abbreviation DEE Parent unit Child units Lithological description Mostly grey shale unit, with centimetric to sometimes decimetric alternation of thin fining upward cycles from light grey fine sandstone to medium grey shale, and dark to black graptolitic...
The information on this page is a summary description. The full formal description is available here: Blanmont Formation Abbreviation BLM Parent unit Child units Lithological description Mostly light-coloured whitish, bluish or greenish, massive, medium-grained quartzite. Granulometry and sorting are very variable (Nijs & Logier, 1990). Stratification is generally not visible or difficult to observe (Dongelberg,...
The information on this page is a summary description. The full formal description is available here: Lust Formation Abbreviation LST Parent unit Child units Lithological description Shale mostly light grey, sometimes very light greenish grey, seldom black, interbedded by many fine layers or laminae of clayey siltstone or fine sandstone, finely laminated. It differs from...
The information on this page is a summary description. The full formal description is available here: Tubize Formation Abbreviation TUB Parent unit Child units Lithological description The formation mainly consists of slate (mudstone and siltstone), but also of sandstone, arkose and greywacke. It is easily recognisable by the dominant greyish green colour and the frequent...
